is the tunica layer of the penis the MAIN part that makes the long? does stretching this layer make the penis longer? if the tunica is so important, what is the use of exercising stretching the ligs? or are the ligs and tunica give 50/50 in contribution to the length of a penis?
i'm sure many of you think this is a dumb question. but i honestly would like confirmation from the big dogs.
thanks
i'm sure many of you think this is a dumb question. but i honestly would like confirmation from the big dogs.

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